Look for the B30 Bus when you get off at Greenbelt, the stop will be outside in the parking lot. It costs $3.00 with a SmartTrip, or $3.10 with cash (don’t ask).

The B30 is an express bus that will take you right to BWI Airport. The bus ride takes around 35 minutes or so, but depends on traffic.

GET TO DC METRO FROM BWI

The hardest part for me was finding the public transportation bus stop. There will be about 500 bus stops for shuttles to take you to the parking garage, but you have to keep following signs to “Public Transit” or “Regional Bus” in order to find the B30 Bus stop. It is on the lower level outside baggage claim, but depending on which baggage claim you get out at, you may have to walk for 5-10 minutes to get there.

Once you actually find the bus stop (B30 will be posted on the wall), take a sigh of relief. The hardest part is over. They have the bus schedule posted on the inside of one of the bus shelters. The B30 will take you directly to Greenbelt, just make sure you are getting on the B30.

Wow. Stumbled across your post by accident. Thanks! Am bringing the family to DC over spring break this year. Flying into BWI is so much cheaper. No doubt will appreciate your step-by-step. One question: is the Greenbelt station crazy busy, and is it decent (thinking this bc you mentioned Union Station is a bit dodgy)? Wondering if 4 tourists each with a duffle bag will get trampled.

The B30 bus stop is between door 17 and 18 as you go outside from baggage claim at BWI. As of 28 April 2013, the cost is $6. The B30 runs every 40 min starting around 7am till 1048pm on weekdays and 938am till 1048pm on weekends.

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